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摘要
申请公布号
JPH0475742(A)
申请公布日期
1992.03.10
申请号
JP19900187415
申请日期
1990.07.16
申请人
ASAHI OKUMA IND CO LTD
发明人
ARAKI KENJI
分类号
B21J13/02;B21D45/04;B21K27/00
主分类号
B21J13/02
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